Wireless microphone



FIG. 1 is a bottom, front, right side perspective view of a wireless microphone showing the new design;

FIG. 2 is a top, rear, left side perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is a partial enlarged view indicated in FIG. 1;

FIG. 10 is a partial enlarged view indicated in FIG. 6; and,

FIG. 11 is a partial enlarged view indicated in FIG. 7.

The broken lines in the figures depict portions of the wireless microphone that form no part of the claimed design. 

CLAIM The ornamental design for a “wireless microphone,” as shown and described. 